<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');

class Upload extends AdminController {

    public function index() {
        $this->display('upload/index');
    }

    public function enviar() {
        $count = $this->input->post('html5_uploader_count');
        $target_dir = ini_get("upload_tmp_dir") . DIRECTORY_SEPARATOR . "plupload";
        $target_dir = str_replace('/', DIRECTORY_SEPARATOR, $target_dir);
        $success = true;
        try {
            for ($i = 0; $i < $count; $i++) {
                $nome_tmp = "html5_uploader_" . $i . "_tmpname";
                $nome = "html5_uploader_" . $i . "_name";
                if (!copy($target_dir . DIRECTORY_SEPARATOR . $_POST[$nome_tmp], $this->get_image_path() . DIRECTORY_SEPARATOR . $_POST[$nome])){
                    $this->showErros("Erro ao enviar o arquivo " . $_POST[$nome]);
                    $success = false;
                }
            }
        } catch (Exception $ex) {
            $this->showErros($ex);
        }
        if ($success){
            $this->showSuccess();
        } else {
            $err = array('Falha ao fazer upload de arquivo');
            $this->showErros($err);
        }
        redirect('admin/upload/index');
    }

    public function image_list() {
        $all_files = scandir($this->get_image_path());
        $files = array_diff($all_files, array('.', '..'));
        $result = array();
        foreach ($files as $file) {
            $full_filename = base_url('assets/upload/' . $file);
            $add = array(
                "title" => $file,
                "value" => $full_filename
            );
            array_push($result, $add);
        }
        echo json_encode($result);
        exit();
    }

    public function do_upload() {
        /**
         * upload.php
         *
         * Copyright 2013, Moxiecode Systems AB
         * Released under GPL License.
         *
         * License: http://www.plupload.com/license
         * Contributing: http://www.plupload.com/contributing
         */
        #!! IMPORTANT: 
        #!! this file is just an example, it doesn't incorporate any security checks and 
        #!! is not recommended to be used in production environment as it is. Be sure to 
        #!! revise it and customize to your needs.
        // Make sure file is not cached (as it happens for example on iOS devices)
        header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
        header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
        header("Cache-Control: no-store, no-cache, must-revalidate");
        header("Cache-Control: post-check=0, pre-check=0", false);
        header("Pragma: no-cache");

        /*
          // Support CORS
          header("Access-Control-Allow-Origin: *");
          // other CORS headers if any...
          if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
          exit; // finish preflight CORS requests here
          }
         */

        // 5 minutes execution time
        @set_time_limit(5 * 60);

        // Uncomment this one to fake upload time
        // usleep(5000);
        // Settings
        $targetDir = ini_get("upload_tmp_dir") . DIRECTORY_SEPARATOR . "plupload";
        //$targetDir = 'uploads';
        $cleanupTargetDir = true; // Remove old files
        $maxFileAge = 5 * 3600; // Temp file age in seconds
        // Create target dir
        if (!file_exists($targetDir)) {
            @mkdir($targetDir);
        }

        // Get a file name
        if (isset($_REQUEST["name"])) {
            $fileName = $_REQUEST["name"];
        } elseif (!empty($_FILES)) {
            $fileName = $_FILES["file"]["name"];
        } else {
            $fileName = uniqid("file_");
        }

        $filePath = $targetDir . DIRECTORY_SEPARATOR . $fileName;

        // Chunking might be enabled
        $chunk = isset($_REQUEST["chunk"]) ? intval($_REQUEST["chunk"]) : 0;
        $chunks = isset($_REQUEST["chunks"]) ? intval($_REQUEST["chunks"]) : 0;


        // Remove old temp files	
        if ($cleanupTargetDir) {
            if (!is_dir($targetDir) || !$dir = opendir($targetDir)) {
                die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."}, "id" : "id"}');
            }

            while (($file = readdir($dir)) !== false) {
                $tmpfilePath = $targetDir . DIRECTORY_SEPARATOR . $file;

                // If temp file is current file proceed to the next
                if ($tmpfilePath == "{$filePath}.part") {
                    continue;
                }

                // Remove temp file if it is older than the max age and is not the current file
                if (preg_match('/\.part$/', $file) && (filemtime($tmpfilePath) < time() - $maxFileAge)) {
                    @unlink($tmpfilePath);
                }
            }
            closedir($dir);
        }


        // Open temp file
        if (!$out = @fopen("{$filePath}.part", $chunks ? "ab" : "wb")) {
            die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
        }

        if (!empty($_FILES)) {
            if ($_FILES["file"]["error"] || !is_uploaded_file($_FILES["file"]["tmp_name"])) {
                die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}');
            }

            // Read binary input stream and append it to temp file
            if (!$in = @fopen($_FILES["file"]["tmp_name"], "rb")) {
                die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
            }
        } else {
            if (!$in = @fopen("php://input", "rb")) {
                die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
            }
        }

        while ($buff = fread($in, 4096)) {
            fwrite($out, $buff);
        }

        @fclose($out);
        @fclose($in);

        // Check if file has been uploaded
        if (!$chunks || $chunk == $chunks - 1) {
            // Strip the temp .part suffix off 
            rename("{$filePath}.part", $filePath);
        }

        // Return Success JSON-RPC response
        die('{"jsonrpc" : "2.0", "result" : null, "id" : "id"}');
    }

    //////////////////////////////////

    private function get_image_path() {
        $path = ROOT_DIR . DIRECTORY_SEPARATOR . 'assets' . DIRECTORY_SEPARATOR . 'upload' . DIRECTORY_SEPARATOR;
        return $path;
    }

}

/* End of file Upload.php */
    /* Location: ./application/controllers/site/upload.php */    